The Memphis Grizzlies have extended a qualifying offer to restricted free agent Marc Gasol, giving them the chance to match any offer he might get this offseason. General manager Chris Wallace announced the move Friday. The 7-foot-1 Gasol averaged 15 points, 11.2 rebounds and 2.2 assists in helping the Grizzlies upset top-seeded San Antonio to open the playoffs before pushing Oklahoma City to seven...